Home / 3,000,859.28-4,501,684.20-978,392.96

Finding the Fourth Proportional to 3,000,859.28, 4,501,684.20 and 978,392.96

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Solution

The fourth proportional to 3,000,859.28, 4,501,684.20 and 978,392.96 is: 1,467,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,859.28 : 4,501,684.20 = 978,392.96 : x
  2. Step 2: Convert to fraction form
    3,000,859.28/4,501,684.20 = 978,392.96/x
  3. Step 3: Cross multiply
    3,000,859.28x = 4,501,684.20 × 978,392.96
  4. Step 4: Simplify right side
    3,000,859.28x = 4,404,416,129,423.23
  5. Step 5: Solve for x
    x = 4,404,416,129,423.23/3,000,859.28
  6. Step 6: Final answer
    x = 1,467,718.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.